Описание: Kintai helps small and medium-sized businesses and self-employed professionals access working capital as a flexible alternative to traditional financing. The company develops a fintech product designed to support business growth and day-to-day financial needs.

Задачи: Design and implement microservices and REST/GraphQL APIs mainly in TypeScript (Node.

Js) and Python;

Build event-driven solutions integrating queues and streams such as SQS/SNS, Kinesis/EventBridge, or Kafka;

Orchestrate processes using BPM and Step Functions;

Design and operate AWS components including Lambda, API Gateway, S3, RDS/DynamoDB, and IAM, focusing on security, cost, and resilience;

Define Infrastructure as Code with Terraform or CDK;

Maintain CI/CD pipelines;

Ensure quality and observability;

Collaborate with the Product Owner to prioritize, estimate, and self-manage work in an agile environment;

Document architectural decisions and best practices to improve maintainability.

Требования: 6+ Years of professional backend experience;

Strong proficiency in TypeScript/Node.

Js;

Solid experience with Python;

Experience creating and operating APIs and services in production;





Advanced knowledge of AWS, including Lambda, API Gateway, S3, RDS/DynamoDB, IAM, EventBridge, and other typical backend services;

Experience with messaging, streams, and integration patterns;

Experience with SQL and NoSQL databases;

Excellent organizational skills, autonomy, responsibility, and a habit of keeping up with the state of the art;

Clear communication and a product-focused approach centered on business impact, metrics, and reliability;

Nice to have: Experience in fintech, open banking, payments, or risk;

Observability with CloudWatch, OpenTelemetry, or Prometheus/Grafana;

Cloud security with KMS, Secrets Manager, or least-privilege IAM policies;

Knowledge of DDD or hexagonal architecture.

Условия: Indefinite contract from the start

Flexible working hours

Intensive Fridays in summer

Offices near the beach with a canteen, large terraces, gym, game room, climbing wall, and pool

Adaptable compensation plan with Cobee

Health insurance paid by Kintai

Two team events per year and many after-work events

📌 backend developer in fintech (Barcelona)
🏢 Enfint
📍 Barcelona